feat(board): 스팸 키워드 자동 블라인드 및 관리자 신고 목록 노출

- BoardService: create/addComment에서 isSpam 감지 시 자동 블라인드 처리, 포인트 미지급
- ReportMapper: listReported 쿼리 확장 — 신고 누적 OR 스팸 감지 블라인드 항목 모두 포함
- ReportedItem: blockReason 필드 추가

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main/resources/mapper/ReportMapper.xml

@@ -12,25 +12,29 @@
         SELECT COUNT(*) FROM report WHERE target_type = #{targetType} AND target_id = #{targetId}
     </select>
 
-    <!-- 신고된 글/댓글 목록 (대상별 집계). 신고 많은 순 → 최근 신고 순. -->
+    <!-- 신고/스팸 글·댓글 목록. 신고 1건 이상 OR 스팸 감지 블라인드 항목을 모두 포함. -->
     <select id="listReported" resultType="com.sb.web.board.dto.ReportedItem">
-        SELECT 'POST' AS targetType, r.target_id AS targetId, p.id AS postId,
+        SELECT 'POST' AS targetType, p.id AS targetId, p.id AS postId,
                p.category AS category, p.title AS title, LEFT(p.content, 120) AS content,
                p.author_id AS authorId, p.author_name AS authorName, p.blocked AS blocked,
-               COUNT(*) AS reportCount, MAX(r.created_at) AS lastReportedAt
-        FROM report r
-        JOIN post p ON p.id = r.target_id
-        WHERE r.target_type = 'POST'
+               p.block_reason AS blockReason,
+               COUNT(r.id) AS reportCount, MAX(r.created_at) AS lastReportedAt
+        FROM post p
+        LEFT JOIN report r ON r.target_id = p.id AND r.target_type = 'POST'
+        WHERE EXISTS (SELECT 1 FROM report WHERE target_type = 'POST' AND target_id = p.id)
+           OR p.block_reason = '스팸 키워드 감지'
         GROUP BY p.id
         UNION ALL
-        SELECT 'COMMENT' AS targetType, r.target_id AS targetId, c.post_id AS postId,
+        SELECT 'COMMENT' AS targetType, c.id AS targetId, c.post_id AS postId,
                pp.category AS category, pp.title AS title, LEFT(c.content, 120) AS content,
                c.author_id AS authorId, c.author_name AS authorName, c.blocked AS blocked,
-               COUNT(*) AS reportCount, MAX(r.created_at) AS lastReportedAt
-        FROM report r
-        JOIN comment c ON c.id = r.target_id
+               NULL AS blockReason,
+               COUNT(r.id) AS reportCount, MAX(r.created_at) AS lastReportedAt
+        FROM comment c
         JOIN post pp ON pp.id = c.post_id
-        WHERE r.target_type = 'COMMENT'
+        LEFT JOIN report r ON r.target_id = c.id AND r.target_type = 'COMMENT'
+        WHERE EXISTS (SELECT 1 FROM report WHERE target_type = 'COMMENT' AND target_id = c.id)
+           OR c.blocked = 1
         GROUP BY c.id
         ORDER BY reportCount DESC, lastReportedAt DESC
     </select>